System-Backup/system-backup

#!/bin/bash

backup_dir="/mnt/USB/Backup/"$(date +'%Y/%m/%d')

cd /var/www/nextcloud
sudo -u www-data php occ maintenance:mode --on 

if [ "$1" = "-h" ]
    then 
        echo "system-backup <option> [USB Dir]"
    	echo
    	echo "If no options are specified it will use default"
    	echo
    	echo "Options:"
    	echo 
    	#echo "-d [USB Dir] [directory to back up]"
        #echo "-n use SCP instead of USB"
        echo
    exit 0
fi

if [ "$1" = "-d" ]
    then
        sudo mount "$2"
        sudo mkdir -p $backup_dir"/nextcloud"
        sudo mkdir $backup_dir"/mysql"
        sudo mkdir $backup_dir"/gitea"
        sudo screen -dmS backup -t backup rsync -Aavx /var/www/nextcloud/ $backup_dir"/nextcloud"
    else
    sudo mount /dev/sdb0
    sudo mkdir /mnt/USB/Backup-whole-System/
    sudo screen -dmS backup -t backup 
fi

if [ "$1" = "-n" ]
    then
        sudo screen -dmS backup -t backup
    exit 0
fi